Crude oil prices down sharply in fourth quarter of 2014 . . . After reaching monthly peaks of $112 per barrel (bbl) and $105 bbl in June, crude oil benchmarks Brent and West Texas Intermediate (WTI) fell to $62 bbl and $59 bbl in December, respectively Brent prices fell below the five-year average in early September and slipped well below the five-year range in November and December